示例#1
0
  /** Test <code>void read()</code>. */
  @Test
  public void readTest1() throws IOException {
    for (int k = 100; k <= 200; k += 33) {
      for (WriteType op : WriteType.values()) {
        int fileId = TestUtils.createByteFile(mTfs, "/root/testFile_" + k + "_" + op, op, k);

        TachyonFile file = mTfs.getFile(fileId);
        InStream is =
            (k < 150 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE));
        Assert.assertTrue(is instanceof BlockInStream);
        byte[] ret = new byte[k];
        int value = is.read();
        int cnt = 0;
        while (value != -1) {
          ret[cnt++] = (byte) value;
          value = is.read();
        }
        Assert.assertTrue(TestUtils.equalIncreasingByteArray(k, ret));
        is.close();

        is = (k < 150 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE));
        Assert.assertTrue(is instanceof BlockInStream);
        ret = new byte[k];
        value = is.read();
        cnt = 0;
        while (value != -1) {
          ret[cnt++] = (byte) value;
          value = is.read();
        }
        Assert.assertTrue(TestUtils.equalIncreasingByteArray(k, ret));
        is.close();
      }
    }
  }
示例#2
0
  /** Test <code>long skip(long len)</code>. */
  @Test
  public void skipTest() throws IOException {
    for (int k = 10; k <= 200; k += 33) {
      for (WriteType op : WriteType.values()) {
        int fileId = TestUtils.createByteFile(mTfs, "/root/testFile_" + k + "_" + op, op, k);

        TachyonFile file = mTfs.getFile(fileId);
        InStream is =
            (k < 100 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE));
        Assert.assertTrue(is instanceof BlockInStream);
        Assert.assertEquals(k / 2, is.skip(k / 2));
        Assert.assertEquals(k / 2, is.read());
        is.close();

        is = (k < 100 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE));
        Assert.assertTrue(is instanceof BlockInStream);
        int t = k / 3;
        Assert.assertEquals(t, is.skip(t));
        Assert.assertEquals(t, is.read());
        Assert.assertEquals(t, is.skip(t));
        Assert.assertEquals((byte) (2 * t + 1), is.read());
        is.close();
      }
    }
  }
示例#3
0
  /** Test <code>void read(byte[] b, int off, int len)</code>. */
  @Test
  public void readTest3() throws IOException {
    for (int k = 100; k <= 300; k += 33) {
      for (WriteType op : WriteType.values()) {
        int fileId = TestUtils.createByteFile(mTfs, "/root/testFile_" + k + "_" + op, op, k);

        TachyonFile file = mTfs.getFile(fileId);
        InStream is =
            (k < 200 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE));
        Assert.assertTrue(is instanceof BlockInStream);
        byte[] ret = new byte[k / 2];
        Assert.assertEquals(k / 2, is.read(ret, 0, k / 2));
        Assert.assertTrue(TestUtils.equalIncreasingByteArray(k / 2, ret));
        is.close();

        is = (k < 200 ? file.getInStream(ReadType.CACHE) : file.getInStream(ReadType.NO_CACHE));
        Assert.assertTrue(is instanceof BlockInStream);
        ret = new byte[k];
        Assert.assertEquals(k, is.read(ret, 0, k));
        Assert.assertTrue(TestUtils.equalIncreasingByteArray(k, ret));
        is.close();
      }
    }
  }